Facet Joint Arthropathy

Facet joint arthropathy refers to pain arising from irritation, injury, or degeneration of the facet joints in the spine. These joints sit between each vertebra and guide spinal movement while limiting excessive motion.

Facet joints are synovial joints, meaning they contain cartilage and fluid. Their role is to control movement at each spinal segment while sharing load during bending, twisting, and extension.

You may also hear facet joint arthropathy described as facet joint pain, facet joint syndrome, or zygapophyseal (Z-joint) pain.

People often ask: “Is facet joint pain the same as arthritis?” Sometimes it is, but not always. Facet joint pain can come from irritation, a stiff or locked joint, or instability, even when arthritis is mild on imaging.

Another common question: “Do facet joints cause back pain?” Yes. Facet joints can be a source of neck or back pain, especially with extension (arching), twisting, or prolonged standing. A physiotherapist can help confirm whether the facet joint is the main driver of your symptoms.

Where facet joint arthropathy occurs

Facet joints exist at every level of the spine. Pain patterns vary depending on location:

• Cervical facet joint pain — neck and shoulder region
• Thoracic facet joint pain — mid-back stiffness or ache
• Lumbar facet joint pain — lower back pain, sometimes referring to the buttock or thigh

For broader information on back pain causes and self-care, MedlinePlus provides a helpful overview: Back pain overview.

What causes facet joint arthropathy?

Facet joint arthropathy develops when normal joint motion is disrupted. This may involve:

• Restricted joint movement (hypomobility)
• Excessive joint movement (hypermobility)
• Degenerative joint changes over time

Facet joint hypomobility

A stiff or locked facet joint may result from:

• Facet joint arthritis
• Degenerative osteophytes (bone spurs)
• Joint capsule thickening or scarring
• Protective muscle spasm

Reduced local muscle control often contributes, allowing excessive load through the joint.

Facet joint hypermobility

Hypermobility usually follows trauma or repeated micro-strain. Contributing factors may include:

• Ligament injury or overstretching
• Previous fracture or dislocation
• Inflammatory joint conditions such as rheumatoid arthritis

What does a locked facet joint feel like?

Locked facet joints often cause sharp, localised pain with restricted movement in one direction. Muscle spasm commonly develops as the body attempts to protect the area.

In the neck, this may present as acute wry neck. In the lower back, pain may refer into the buttock or thigh.

How is facet joint arthropathy diagnosed?

A physiotherapist can assess facet joint arthropathy through hands-on examination, movement testing, and symptom behaviour.

Medical imaging such as X-ray, CT, or MRI may identify arthritic change or fracture. However, these scans do not reliably detect a locked facet joint. Degenerative changes are often labelled as spondylosis.

Facet joint arthropathy treatment

Treatment depends on whether the joint is stiff, locked, or unstable.

For a locked facet joint, a physiotherapist may use gentle joint techniques to restore movement. This is followed by mobility work and targeted strengthening to reduce recurrence risk.

Unstable facet joint management

Hypermobility responds best to muscle control and stabilisation exercises rather than joint loosening techniques. A physiotherapist may guide a progressive program based on individual assessment.

Other treatment options

Massage

Massage may help reduce protective muscle spasm around the joint.

Acupuncture or dry needling

These techniques may assist short-term symptom relief for some people.

Facet joint injections

Injections may assist diagnosis and provide temporary relief. Research suggests exercise-based care offers better long-term outcomes.

Radiofrequency procedures

Radiofrequency techniques may help selected chronic cases but effects are temporary as nerve tissue regenerates.

What to do next

If facet joint pain is limiting your movement or daily activities, a physiotherapy assessment can clarify the cause and guide appropriate management.